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List of catalogs in this article:

• 1,Casino redeem What are the components of the AC transmission system that make up a pure electric vehicle?
• 2, Fault and maintenance of AC speed regulation system?
• 3, Research background and significance of enterprise internal information exchange system
• 4, What It is the AC and DC system of the substation

What are the components of the AC transmission system that make up a pure electric vehicle?

1. It consists of the following parts: the electronic controller is the core of the entire drive system, which is responsible for receiving, processing and executing sensors and signals from other systems. The drive motor is the power source of pure electric vehicles, which can convert electrical energy into mechanical energy and provide the driving force for the vehicle to move forward.

2. Pure electric vehicles are a highly integrated electrified system, mainly including on-board charging system, power battery management system, motor controller, body control system and information transmission and display system. These systems should be integrated into a general vehicle control system.

3. The transmission system of electric vehicles is the guarantee of the long-term life of electric vehicles. The structure of the transmission parts of most electric vehicles is basically extremely compact, and only a single gearbox can be installed, which makes the motor rotate at the critical point for a long time, reducing the efficiency of power output. However, the BMW i8 took the lead in installing and configuring a 2AT to solve the critical speed problem.

4. Including electronic controller, power converter, motor, mechanical transmission and wheel; power supply system: including power supply, energy management system and charger;Auxiliary system: auxiliary power source, power steering system, navigation system, air conditioner, lighting and defrosting device, wiper and radio.

Fault and maintenance of AC speed regulation system?

Parameter setting failure. Whether the commonly used frequency converter can meet the requirements of the transmission system in use, the parameter setting of the frequency converter is very important. If the parameter setting is not correct, it will cause the frequency converter to fail to work normally.

Input terminal problem: The input terminal is usually an AC power supply. If the input terminal fails, it will cause the speed regulator to fail to work properly. Output terminal problem: The output terminal transmits electrical energy to the motor. If the output terminal fails, it will cause the motor to fail to operate normally, thus affecting the speed regulation effect of the speed adjuster.

The steps for repairing the circuit failure of the electric vehicle speed regulation board are as follows: use a tool to remove the speed regulation board of the electric vehicle, use a multimeter to test whether the line connection is normal, find that the line is loose or burned, replace the line or weld the connection, install the repaired speed regulation board, and test to confirm that the problem is Whether to solve it.

The research background and significance of the internal information exchange system of the enterprise

1. Significance Management information is an important resource. For enterprises, people, materials, energy, funds and information are five important resources. People, materials, energy and capital are all visible tangible resources, while information is an intangible resource.

2. The significance of ERP system to enterprises is: from the perspective of enterprise development: information management is a must for the survival and development of enterprises. Informatization work has become a necessary way to strengthen management and improve economic efficiency in the construction industry, and it has also become a necessary condition for the construction industry competition.

3. This step is an essential part of research, which can help researchers clarify the goal of the research, determine the direction of the research, and prevent bias.At the same time, it can also show the contribution and value of the research to researchers in other related fields and promote the exchange and development of disciplines. Therefore, the importance of the research background and significance is self-evident.

4. It can further promote the rational combination and utilization of enterprise resources, so that it can achieve the best utilization effect under the existing resource conditions, so as to greatly improve the production and operation efficiency and management efficiency of the enterprise.

5. Greatly improve the company's image and establish a modern information management system. 2) Standardize and optimize the business processes of various departments and offices within the enterprise, re-create business norms, and implement comprehensive quality monitoring of key businesses. 3) Realize collaborative work and paperless office between departments.

What is the AC and DC system of a substation?The AC and DC systems of the substation are the AC and DC systems of the substation, respectively, whether the control power supply of the substation is AC or DC, the AC system is used to control the switch, and the DC power supply control switch is the DC system. If you don't understand, you can continue to ask me. I do this work.

The advantage of DC system is good anti-interference, so it is used in weak current control. The AC system is used in boosting and long-distance transmission and transformation, which has the characteristics of good reliability, simplicity and ease of use.

I think that the AC system of the substation is used to provide electricity to the self-use load of the power station. It is also the power provider of the DC system of the power station. The DC system of the power station is used to supply power to the protection and control system of the power station. Therefore, the AC system and DC system of the power station are to ensure the normal operation of the equipment. The key system of.